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17:03:56">2023-04-24</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-04-29T04:41:33.863Z" title="更新于 2023-04-29 12:41:33">2023-04-29</time></span><span class="post-meta-categories"><span class="post-meta-separator">|</span><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E5%89%8D%E7%AB%AF/">前端</a></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">1k</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>5分钟</span></span><span class="post-meta-separator">|</span><span class="post-meta-pv-cv" id="" data-flag-title="Vue request配置（前后端跨域）"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"><i class="fa-solid fa-spinner fa-spin"></i></span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><meta name="referrer" content="no-referrer"/>

<h2 id="创建配置属性文件"><a href="#创建配置属性文件" class="headerlink" title="创建配置属性文件"></a>创建配置属性文件</h2><ul>
<li>在根目录下创建.env.development 文件放入request请求配置</li>
</ul>
<p><img src="https://typora-md-bucket.oss-cn-beijing.aliyuncs.com/image-20230424170855986.png" alt="image-20230424170855986"></p>
<ul>
<li>在改文件下放入访问的地址</li>
</ul>
<figure class="highlight bat"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"># 开发模式标识</span><br><span class="line">ENV = &#x27;development&#x27;</span><br><span class="line"></span><br><span class="line"># 需要访问的后端地址</span><br><span class="line">VUE_APP_BASE_API = &#x27;http://localhost:<span class="number">8090</span>&#x27;</span><br><span class="line"></span><br><span class="line"># vue-cli uses the VUE_CLI_BABEL_TRANSPILE_MODULES environment variable,</span><br><span class="line"># to control whether the babel-plugin-dynamic-import-node plugin is enabled.</span><br><span class="line"># It only does one thing by converting all import() to require().</span><br><span class="line"># This configuration can significantly increase the speed of hot updates,</span><br><span class="line"># when you have a large number of pages.</span><br><span class="line"># Detail:  https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/babel-preset-app/index.js</span><br><span class="line">VUE_CLI_BABEL_TRANSPILE_MODULES = true</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h2 id="配置vue-js解决跨域问题"><a href="#配置vue-js解决跨域问题" class="headerlink" title="配置vue.js解决跨域问题"></a>配置vue.js解决跨域问题</h2><figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="attr">devServer</span>: &#123;</span><br><span class="line">  <span class="attr">port</span>: port,</span><br><span class="line">  <span class="attr">open</span>: <span class="literal">true</span>,</span><br><span class="line">  <span class="attr">overlay</span>: &#123;</span><br><span class="line">    <span class="attr">warnings</span>: <span class="literal">false</span>,</span><br><span class="line">    <span class="attr">errors</span>: <span class="literal">true</span></span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="attr">proxy</span>: &#123;</span><br><span class="line">     <span class="comment">// 起别名</span></span><br><span class="line">    <span class="string">&#x27;/api&#x27;</span>: &#123;</span><br><span class="line">      <span class="comment">// 访问目标地址</span></span><br><span class="line">      <span class="attr">target</span>: <span class="string">&#x27;localhost:8090&#x27;</span>,</span><br><span class="line">      <span class="comment">// 开启跨域访问</span></span><br><span class="line">      <span class="attr">changeOrigin</span>: <span class="literal">true</span>,</span><br><span class="line">      <span class="comment">// 别名置空</span></span><br><span class="line">      <span class="attr">pathRewrite</span>: &#123; <span class="string">&#x27;^/api&#x27;</span>: <span class="string">&#x27;&#x27;</span> &#125;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="attr">after</span>: <span class="built_in">require</span>(<span class="string">&#x27;./mock/mock-server.js&#x27;</span>)</span><br><span class="line">&#125;,</span><br></pre></td></tr></table></figure>

<h2 id="配置request-js"><a href="#配置request-js" class="headerlink" title="配置request.js"></a>配置request.js</h2><figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> axios <span class="keyword">from</span> <span class="string">&#x27;axios&#x27;</span></span><br><span class="line"><span class="keyword">import</span> &#123; <span class="title class_">Message</span> &#125; <span class="keyword">from</span> <span class="string">&#x27;element-ui&#x27;</span></span><br><span class="line"><span class="keyword">import</span> store <span class="keyword">from</span> <span class="string">&#x27;@/store&#x27;</span></span><br><span class="line"><span class="keyword">import</span> &#123; getToken &#125; <span class="keyword">from</span> <span class="string">&#x27;@/utils/auth&#x27;</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// create an axios instance</span></span><br><span class="line"><span class="keyword">const</span> service = axios.<span class="title function_">create</span>(&#123;</span><br><span class="line">  <span class="attr">baseURL</span>: process.<span class="property">env</span>.<span class="property">VUE_APP_BASE_API</span>,</span><br><span class="line">  <span class="attr">withCredentials</span>: <span class="literal">true</span>, <span class="comment">// send cookies when cross-domain requests</span></span><br><span class="line">  <span class="attr">timeout</span>: <span class="number">5000</span> <span class="comment">// request timeout</span></span><br><span class="line">&#125;)</span><br><span class="line"></span><br><span class="line"><span class="comment">// request interceptor</span></span><br><span class="line">service.<span class="property">interceptors</span>.<span class="property">request</span>.<span class="title function_">use</span>(</span><br><span class="line">  <span class="function"><span class="params">config</span> =&gt;</span> &#123;</span><br><span class="line">    <span class="comment">// do something before request is sent</span></span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (store.<span class="property">getters</span>.<span class="property">token</span>) &#123;</span><br><span class="line">      <span class="comment">// let each request carry token</span></span><br><span class="line">      <span class="comment">// [&#x27;X-Token&#x27;] is a custom headers key</span></span><br><span class="line">      <span class="comment">// please modify it according to the actual situation</span></span><br><span class="line">      config.<span class="property">headers</span>[<span class="string">&#x27;X-Token&#x27;</span>] = <span class="title function_">getToken</span>()</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> config</span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="function"><span class="params">error</span> =&gt;</span> &#123;</span><br><span class="line">    <span class="comment">// do something with request error</span></span><br><span class="line">    <span class="variable language_">console</span>.<span class="title function_">log</span>(error) <span class="comment">// for debug</span></span><br><span class="line">    <span class="keyword">return</span> <span class="title class_">Promise</span>.<span class="title function_">reject</span>(error)</span><br><span class="line">  &#125;</span><br><span class="line">)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 2.请求拦截器</span></span><br><span class="line">service.<span class="property">interceptors</span>.<span class="property">request</span>.<span class="title function_">use</span>(<span class="function"><span class="params">config</span> =&gt;</span> &#123;</span><br><span class="line">  config.<span class="property">data</span> = <span class="title class_">JSON</span>.<span class="title function_">stringify</span>(config.<span class="property">data</span>)</span><br><span class="line">  config.<span class="property">headers</span> = &#123;</span><br><span class="line">    <span class="string">&#x27;Content-Type&#x27;</span>: <span class="string">&#x27;application/json&#x27;</span></span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">return</span> config</span><br><span class="line">&#125;, <span class="function"><span class="params">error</span> =&gt;</span> &#123;</span><br><span class="line">  <span class="title class_">Promise</span>.<span class="title function_">reject</span>(error)</span><br><span class="line">&#125;)</span><br><span class="line"></span><br><span class="line">service.<span class="property">interceptors</span>.<span class="property">response</span>.<span class="title function_">use</span>(<span class="function"><span class="params">response</span> =&gt;</span> &#123;</span><br><span class="line">  <span class="keyword">if</span> (response.<span class="property">data</span>.<span class="property">success</span>) &#123;</span><br><span class="line">    <span class="keyword">if</span> (response.<span class="property">data</span>.<span class="property">msg</span> !== <span class="string">&#x27;&#x27;</span>) &#123;</span><br><span class="line">      <span class="title class_">Message</span>.<span class="title function_">success</span>(&#123; <span class="attr">type</span>: <span class="string">&#x27;success&#x27;</span>, <span class="attr">message</span>: response.<span class="property">data</span>.<span class="property">msg</span> &#125;)</span><br><span class="line">      <span class="comment">// 出错则不返回数据</span></span><br><span class="line">      <span class="keyword">return</span> response.<span class="property">data</span></span><br><span class="line">    &#125;</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    <span class="title class_">Message</span>.<span class="title function_">error</span>(&#123; <span class="attr">type</span>: <span class="string">&#x27;error&#x27;</span>, <span class="attr">message</span>: response.<span class="property">data</span>.<span class="property">msg</span> &#125;)</span><br><span class="line">  &#125;</span><br><span class="line">&#125;, <span class="function"><span class="params">error</span> =&gt;</span> &#123;</span><br><span class="line">  <span class="keyword">if</span> (error &amp;&amp; error.<span class="property">response</span>) &#123;</span><br><span class="line">    <span class="keyword">switch</span> (error.<span class="property">response</span>.<span class="property">status</span>) &#123;</span><br><span class="line">      <span class="keyword">case</span> <span class="number">400</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;错误请求&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">401</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;未授权，请重新登录&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">403</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;拒绝访问&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">404</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;请求错误,未找到该资源&#x27;</span></span><br><span class="line">        <span class="comment">/*        window.location.href = &quot;/NotFound&quot;*/</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">405</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;请求方法未允许&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">408</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;请求超时&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">500</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;服务器端出错&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">501</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;网络未实现&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">502</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;网络错误&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">503</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;服务不可用&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">504</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;网络超时&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="keyword">case</span> <span class="number">505</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">&#x27;http版本不支持该请求&#x27;</span></span><br><span class="line">        <span class="keyword">break</span></span><br><span class="line">      <span class="attr">default</span>:</span><br><span class="line">        error.<span class="property">message</span> = <span class="string">`连接错误<span class="subst">$&#123;error.response.status&#125;</span>`</span></span><br><span class="line">    &#125;</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    <span class="keyword">if</span> (<span class="title class_">JSON</span>.<span class="title function_">stringify</span>(error).<span class="title function_">includes</span>(<span class="string">&#x27;timeout&#x27;</span>)) &#123;</span><br><span class="line">      <span class="title class_">Message</span>.<span class="title function_">error</span>(<span class="string">&#x27;服务器响应超时，请刷新当前页&#x27;</span>)</span><br><span class="line">    &#125;</span><br><span class="line">    error.<span class="property">message</span> = <span class="string">&#x27;连接服务器失败&#x27;</span></span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="title class_">Message</span>.<span class="title function_">error</span>(error.<span class="property">message</span>)</span><br><span class="line"></span><br><span class="line">  <span class="keyword">return</span> <span class="title class_">Promise</span>.<span class="title function_">resolve</span>(error.<span class="property">response</span>)</span><br><span class="line">&#125;)</span><br><span class="line"><span class="comment">// 4.导入文件</span></span><br><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> service</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h2 id="编写http-js"><a href="#编写http-js" class="headerlink" title="编写http.js"></a>编写http.js</h2><figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/** **   http.js   ****/</span></span><br><span class="line"><span class="comment">// 导入封装好的axios实例</span></span><br><span class="line"><span class="keyword">import</span> request <span class="keyword">from</span> <span class="string">&#x27;./request&#x27;</span></span><br><span class="line"><span class="keyword">const</span> http = &#123;</span><br><span class="line">  <span class="comment">/**</span></span><br><span class="line"><span class="comment">   * methods: 请求</span></span><br><span class="line"><span class="comment">   * <span class="doctag">@param</span> url 请求地址</span></span><br><span class="line"><span class="comment">   * <span class="doctag">@param</span> params 请求参数</span></span><br><span class="line"><span class="comment">   */</span></span><br><span class="line">  <span class="title function_">get</span>(<span class="params">url, params</span>) &#123;</span><br><span class="line">    <span class="keyword">const</span> config = &#123;</span><br><span class="line">      <span class="attr">method</span>: <span class="string">&#x27;get&#x27;</span>,</span><br><span class="line">      <span class="attr">url</span>: url</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (params) config.<span class="property">params</span> = params</span><br><span class="line">    <span class="keyword">return</span> <span class="title function_">request</span>(config)</span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="title function_">post</span>(<span class="params">url, params</span>) &#123;</span><br><span class="line">    <span class="keyword">const</span> config = &#123;</span><br><span class="line">      <span class="attr">method</span>: <span class="string">&#x27;post&#x27;</span>,</span><br><span class="line">      <span class="attr">url</span>: url</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (params) config.<span class="property">data</span> = params</span><br><span class="line">    <span class="keyword">return</span> <span class="title function_">request</span>(config)</span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="title function_">put</span>(<span class="params">url, params</span>) &#123;</span><br><span class="line">    <span class="keyword">const</span> config = &#123;</span><br><span class="line">      <span class="attr">method</span>: <span class="string">&#x27;put&#x27;</span>,</span><br><span class="line">      <span class="attr">url</span>: url</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (params) config.<span class="property">params</span> = params</span><br><span class="line">    <span class="keyword">return</span> <span class="title function_">request</span>(config)</span><br><span class="line">  &#125;,</span><br><span class="line">  <span class="title function_">delete</span>(<span class="params">url, params</span>) &#123;</span><br><span class="line">    <span class="keyword">const</span> config = &#123;</span><br><span class="line">      <span class="attr">method</span>: <span class="string">&#x27;delete&#x27;</span>,</span><br><span class="line">      <span class="attr">url</span>: url</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (params) config.<span class="property">params</span> = params</span><br><span class="line">    <span class="keyword">return</span> <span class="title function_">request</span>(config)</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">&#125;</span><br><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> http</span><br></pre></td></tr></table></figure>

<h2 id="编写api接口"><a href="#编写api接口" class="headerlink" title="编写api接口"></a>编写api接口</h2><figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> http <span class="keyword">from</span> <span class="string">&#x27;@/utils/http&#x27;</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">export</span> <span class="keyword">function</span> <span class="title function_">createWallet</span>(<span class="params"></span>) &#123;</span><br><span class="line">  <span class="keyword">return</span> http.<span class="title function_">post</span>(<span class="string">&#x27;/createKeys&#x27;</span>)</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h2 id="SpringBoot开启跨域访问"><a href="#SpringBoot开启跨域访问" class="headerlink" title="SpringBoot开启跨域访问"></a>SpringBoot开启跨域访问</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dce.blockchain.web.config;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span> admin</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@version</span> 1.0.0</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span> portalCorsfilter.java</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span> 远程访问</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@createTime</span> 2021年09月18日 22:58:00</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">import</span> org.springframework.boot.web.servlet.FilterRegistrationBean;</span><br><span class="line"><span class="keyword">import</span> org.springframework.context.annotation.Bean;</span><br><span class="line"><span class="keyword">import</span> org.springframework.context.annotation.Configuration;</span><br><span class="line"><span class="keyword">import</span> org.springframework.core.Ordered;</span><br><span class="line"><span class="keyword">import</span> org.springframework.web.cors.CorsConfiguration;</span><br><span class="line"><span class="keyword">import</span> org.springframework.web.cors.UrlBasedCorsConfigurationSource;</span><br><span class="line"><span class="keyword">import</span> org.springframework.web.filter.CorsFilter;</span><br><span class="line"></span><br><span class="line"><span class="meta">@Configuration</span></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">CorsConfig</span> &#123;</span><br><span class="line">    <span class="keyword">private</span> CorsConfiguration <span class="title function_">buildConfig</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="type">CorsConfiguration</span> <span class="variable">corsConfiguration</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">CorsConfiguration</span>();</span><br><span class="line">        corsConfiguration.addAllowedOrigin(<span class="string">&quot;*&quot;</span>); <span class="comment">// 1允许任何域名使用</span></span><br><span class="line">        corsConfiguration.addAllowedHeader(<span class="string">&quot;*&quot;</span>); <span class="comment">// 2允许任何头</span></span><br><span class="line">        corsConfiguration.addAllowedMethod(<span class="string">&quot;*&quot;</span>); <span class="comment">// 3允许任何方法（post、get等）</span></span><br><span class="line">        corsConfiguration.setAllowCredentials(<span class="literal">true</span>); <span class="comment">// 允许cookies跨域</span></span><br><span class="line">        <span class="keyword">return</span> corsConfiguration;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Bean</span></span><br><span class="line">    <span class="keyword">public</span> FilterRegistrationBean <span class="title function_">corsFilter</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="type">UrlBasedCorsConfigurationSource</span> <span class="variable">source</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">UrlBasedCorsConfigurationSource</span>();</span><br><span class="line">        source.registerCorsConfiguration(<span class="string">&quot;/**&quot;</span>, buildConfig());</span><br><span class="line">        <span class="type">FilterRegistrationBean</span> <span class="variable">filterRegistrationBean</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">FilterRegistrationBean</span>(<span class="keyword">new</span> <span class="title class_">CorsFilter</span>(source));</span><br><span class="line">        <span class="comment">// 设置 Filter 的优先级为最高优先级(如果有多个过滤器这些过滤器会有一个先后顺序的问题)</span></span><br><span class="line">        filterRegistrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE);</span><br><span class="line">        <span class="keyword">return</span> filterRegistrationBean;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure></article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="http://cjx_0723.gitee.io">Ther</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a href="http://cjx_0723.gitee.io/2023/04/24/%E5%89%8D%E7%AB%AF%E5%BC%80%E5%8F%91/Vue%E7%BD%91%E7%BB%9C%E9%85%8D%E7%BD%AE%EF%BC%88%E8%B7%A8%E5%9F%9F%EF%BC%89/">http://cjx_0723.gitee.io/2023/04/24/%E5%89%8D%E7%AB%AF%E5%BC%80%E5%8F%91/Vue%E7%BD%91%E7%BB%9C%E9%85%8D%E7%BD%AE%EF%BC%88%E8%B7%A8%E5%9F%9F%EF%BC%89/</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta">版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" 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